Narasin

Chemical Name: (R)-2-((2R,3S,5S,6R)-6-((2S,3S,4S,6R)-6-((2S,5S,7R,9S,10S,12R,15R)-2-((2R,5R,6S)-5-ethyl-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.57.35]pentadec-13-en-9-yl)-3-hydroxy-4-methyl-5-oxooctan-2-yl)-3,5-dimethyltetrahydro-2H-pyran-2-yl)butanoic acid

Smile: CC[C@@H](C(O)=O)[C@@]1([H])[C@@H](C)C[C@H](C)[C@@]([C@@H](C)[C@H](O)[C@H](C)C([C@H](CC)[C@@]2([H])O[C@]3(C=C[C@@H](O)[C@@]4(O[C@](C)([C@@]5([H])CC[C@@](CC)(O)[C@H](C)O5)CC4)O3)[C@H](C)C[C@@H]2C)=O)([H])O1